From: Georg Brandl <georg@python.org>
Date: Mon, 14 Aug 2006 21:45:35 +0000 (+0000)
Subject: Add an additional test: BZ2File write methods should raise IOError
X-Git-Tag: v2.4.4c1~120
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ee76a565c341fda903466e1a34d0a8d0b52391b3;p=thirdparty%2FPython%2Fcpython.git

Add an additional test: BZ2File write methods should raise IOError
when file is read-only.
 (backport from rev. 51287)
---

diff --git a/Lib/test/test_bz2.py b/Lib/test/test_bz2.py
index 4e033942f9d4..c3a4f91f39ac 100644
--- a/Lib/test/test_bz2.py
+++ b/Lib/test/test_bz2.py
@@ -172,6 +172,15 @@ class BZ2FileTest(BaseTest):
         self.assertEqual(self.decompress(f.read()), self.TEXT)
         f.close()
 
+    def testWriteMethodsOnReadOnlyFile(self):
+        bz2f = BZ2File(self.filename, "w")
+        bz2f.write("abc")
+        bz2f.close()
+
+        bz2f = BZ2File(self.filename, "r")
+        self.assertRaises(IOError, bz2f.write, "a")
+        self.assertRaises(IOError, bz2f.writelines, ["a"])
+
     def testSeekForward(self):
         # "Test BZ2File.seek(150, 0)"
         self.createTempFile()